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Select one or more of the following upgrade options to enhance the performance of this product. Prices include parts and labor.
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Description

Based on the M4A1, Tokyo Marui's M4 S-system version shows off some new and attractive features for die-hard airsoft fans!
1. Flip up front sight
2. Low profile flip-up rear sight
3. Enhanced butt stock (extend the length of rifle from 768mm to 850mm)
4. Aluminium one-plece barrel
5. Metal skeletal frame for added rigidity and weight
6. Six position LE tactical extendable stock
SIR foregrip houses a small type 8.4v600mah battery (sold separately) which is very easy to open and change batteries without any tools. Four accessory rails and sling swivel allows you to install accessories such as scope, flash light, laser, vertical fore-grip and bipod.

A large number of accessories are available for the M4 S-System. Listed below are some of the most popular accessories chosen by players. Place your mouse pointer over picture to see description.

Shop for these accessories separately in our ACCESSORIES section after you add this gun to your shopping cart.